diff options
| author | Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2020-01-09 13:33:42 +0100 |
|---|---|---|
| committer | Paul Burton <paulburton@kernel.org> | 2020-01-09 15:29:53 -0800 |
| commit | 58fd034db3a9bdd46052efebc45ffe9f130ea2b9 (patch) | |
| tree | 7c95831ff9288df41775d6d9404a6947eae78eaf /arch/mips/include/asm/sn/sn0/hub.h | |
| parent | 5388b58143eae288cb5dfbbf797beff50ff6567f (diff) | |
MIPS: SGI-IP27: move IP27 specific macro to IP27 specific header file
Extracting node id from HUB register is specific to IP27 alias SN0.
Move the macro definition to a SN0 header file.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm/sn/sn0/hub.h')
| -rw-r--r-- | arch/mips/include/asm/sn/sn0/hub.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/sn0/hub.h b/arch/mips/include/asm/sn/sn0/hub.h index d78dd76d5dcf..82cadd785b9c 100644 --- a/arch/mips/include/asm/sn/sn0/hub.h +++ b/arch/mips/include/asm/sn/sn0/hub.h @@ -37,4 +37,16 @@ #define UATTR_MSPEC 2 #define UATTR_UNCAC 3 +#ifdef __ASSEMBLY__ +/* + * Returns the local nasid into res. + */ + .macro GET_NASID_ASM res + dli \res, LOCAL_HUB_ADDR(NI_STATUS_REV_ID) + ld \res, (\res) + and \res, NSRI_NODEID_MASK + dsrl \res, NSRI_NODEID_SHFT + .endm +#endif + #endif /* _ASM_SN_SN0_HUB_H */ |